Project
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Keys to Nature Project |
| Key to Asclepias of the Chicago Region |
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Leaves narrow (typically 5 to 10 mm wide); the several to many umbels stalked and erect; sandy soils of dry prairies and fields and sometimes in fine-textured soils - A. hirtella SELECT
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Leaves wider (the larger ones at least 10 to 15 mm wide). SELECT
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